1--TEST-- 2link_002: Append links to an initially empty linked list 3--FILE-- 4<?php 5 6$dir = dirname(__FILE__); 7require 'Structures/LinkedList/Double.php'; 8require 'LinkTester.php'; 9 10$xyy = new Structures_LinkedList_Double(); 11$xyy->appendNode($tester1); 12$xyy->appendNode($tester2); 13$xyy->appendNode($tester3); 14$xyy->insertNode($tester4, $tester2, true); 15 16$link = $xyy->current(); 17print $link->getNumb(); 18 19// test iteration with while() 20while ($link = $xyy->next()) { 21 print $link->getNumb(); 22} 23$link = $xyy->rewind(); 24print "\n"; 25print $link->getNumb(); 26print "\n"; 27 28// test foreach() iteration 29foreach ($xyy as $bull) { 30 print $bull->getNumb(); 31} 32?> 33--EXPECT-- 341423 351 361423 37